Rear Suspension Upgrade Hardcore Hook 007
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The new 35-spline S/T are induction-hardened; the case of the SAE 1550 (Modified) shaft is hardened to 58-62Rc, and the core is left soft to absorb shock, or you can specify the Pro Race Hy-Tuff, which are made from an ultra-strong alloy hardened to 46-48 throughout for those cars that will never see street usage. Our aftermarket C-clip 31-spline axle measured 1.324 inches in diameter, while the new Strange Engineering 35-spline is 1.5 inches in diameter. Since the new axles were over 4 inches shorter, they were only 2 pounds heavier, 20 versus 18. View Related Article
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